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Signal processing apparatus and methods

  • US 8,395,707 B1
  • Filed: 06/02/1995
  • Issued: 03/12/2013
  • Est. Priority Date: 11/03/1981
  • Status: Active Grant
First Claim
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1. A method of controlling the display of television programming at a remote receiver station, said remote receiver station including a television monitor for displaying said television programming and a processor for communicating a television image to said television monitor, said method comprising the steps of:

  • originating a first signal that identifies said television programming;

    embedding said first signal in a programming transmission;

    transmitting said embedded first signal with said programming transmission in one or more of a broadcast and cablecast transmission to said remote receiver station; and

    wherein said embedded first signal is stored in memory at said remote receiver station;

    originating a second signal that also identifies said television programming;

    embedding said second signal in said programming transmission; and

    transmitting said embedded second signal in said one or more of a broadcast and cablecast transmission to said remote receiver station wherein information included in said second signal is compared at said remote receiver station to information included in said stored first signal to determine if said television image relates to said television programming, wherein said television image is locally generated at said remote receiver station; and

    wherein said television image is output to said television monitor if said receiver station determines that said television image relates to said television programming.

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